[Qt-qml] QSortFilterProxyModel and QML ListView

[Chris]

I don't think you need to do a full reset.

QSortFilter model has a rowsMoved() signal. There is also a layoutChanged()
signal whenever the layout changes (e.g. due to sorting).

Kr,
Chris.

On Wed, Jan 5, 2011 at 12:31 AM, Bartosh Wroblevksy <bartosh at live.com>wrote:

>  just curious when rows are moved in a proxy model that is sorted, what
> sort of an emit do you guys do to signal to the qml window that the model
> needs to be updated. Do you guys do a full reset?
>
> ------------------------------
> From: bartosh at live.com
> To: dchris at gmail.com; steveire at gmail.com
> Date: Thu, 30 Dec 2010 02:19:44 -0500
> CC: qt-qml at trolltech.com
>
> Subject: Re: [Qt-qml] QSortFilterProxyModel and QML ListView
>
>
> Thanks guys, it looks like it works  if you call sort just once and
> set QSortFilterProxyModel::setDynamicSortFilter(true) .
> That said, with Qt 4.7.0, I see a comparable behavior as described in the
> bug here http://bugreports.qt.nokia.com/browse/QTBUG-13628. So I decided
> to go with Qt 4.7.1 and so far, everything works ok.
>
> Thanks again for the help.
> Bartosh
>
>
> ------------------------------
> Date: Wed, 29 Dec 2010 09:31:44 +0200
> Subject: Re: [Qt-qml] QSortFilterProxyModel and QML ListView
> From: dchris at gmail.com
> To: bartosh at live.com
> CC: steveire at gmail.com; qt-qml at trolltech.com
>
> If you enable dynamic sorting:
> QSortFilterProxyModel::setDynamicSortFilter(true)
>
> then you only need to call sort() once (for example in the constructor) so
> that the model knows which way to sort.
> Then any time the model changes, the sorting will be automatically updated.
>
> I personally use QSortFilterModel with QML and it works just fine.
>
> Kr,
> Chris.
>
> On Wed, Dec 29, 2010 at 6:40 AM, Bartosh Wroblevksy <bartosh at live.com>wrote:
>
>  With QSortFilterProxyModel, it looks like I have to take care of the list
> being sorted myself by calling QSortFilterProxyModel::sort(), please tell me
> there is a better way.
>
>
> ------------------------------
> From: bartosh at live.com
> To: steveire at gmail.com; qt-qml at trolltech.com
> Date: Tue, 28 Dec 2010 23:31:58 -0500
>
> Subject: Re: [Qt-qml] QSortFilterProxyModel and QML ListView
>
> so why is my list not appearing sorted????? I was afraid of this.
>
>
> > To: qt-qml at trolltech.com
> > From: steveire at gmail.com
> > Date: Wed, 22 Dec 2010 23:55:02 +0100
> > Subject: Re: [Qt-qml] QSortFilterProxyModel and QML ListView
> >
> > Bartosh Wroblevksy wrote:
> >
> > >
> > > Hi,
> > > I am about to use a QSortFilterProxy model with a QML ListView. I do
> not
> > > want to end up with nasty surprises. Do QML listViews support Qt's
> > > QSortFilterProxy?
> >
> > Yes. QML uses the QAbstractItemModel API. QML doesn't know or care that
> it's
> > a proxy. Any custom roles set with setRoleNames on your 'core' model are
> > also available through the proxy.
> >
> > > When items are filtered, can I set animations when they
> > > disappear? Thanks, Bartosh
> >
> > Yes. You can use onAdd and onRemove as before I guess. I don't think I've
>
> > tried using them with a QAIM before though.
> >
> > Steve.
> >
> > _______________________________________________
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> > Qt-qml at qt.nokia.com
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>
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